I know a couple IRL whose babe was born a month early as well and weighed a very similar weight (8- something) It's not that hard to believe, as babies are born all the time weighing ten pounds - or more!

Callum- meaning- "dove" (no red meaning, but I know a red head with this name)Flynn- meaning "son of the red-haired one"McCoy- surname meaning "fire"Conley (con-lee)- surname meaning "fire" (could be too much ee sound with Posy)Tyson- meaning "firebrand"Flannery- meaning "red-haired" (also could be too much ee sound with Posy)Flanagan- meaning "red"Holden- meaning "hollow valley" (not a red name either, but Holden Caulfield from The Catcher in the Rye is a redhead.)